Not-Sacred soil is probably functional, boss jumps off screen or stops attacking to talk trash before a big attack. You shield up and then heal once it hits. Buuuut, it's still kinda a awful concept for a ability. It's a channeled ability you don't want to channel.

The regen I'm going to have to wait until I get the move and see. Might be something stacked with a.helios. Might not pack enough punch, might be really good.